Change --print-ast output to be more regular.

runtime/vm/flow_graph_builder.h

Index: runtime/vm/flow_graph_builder.h
diff --git a/runtime/vm/flow_graph_builder.h b/runtime/vm/flow_graph_builder.h
index 4a8457b021bb0def605035f2089baa87eff7b6ce..e3d01c307395fd0dc7af3ed9cc0eba460ccc5f33 100644
--- a/runtime/vm/flow_graph_builder.h
+++ b/runtime/vm/flow_graph_builder.h
@@ -208,9 +208,11 @@ class EffectGraphVisitor : public AstNodeVisitor {
         entry_(NULL),
         exit_(NULL) { }
 
-#define DEFINE_VISIT(type, name) virtual void Visit##type(type* node);
-  NODE_LIST(DEFINE_VISIT)
-#undef DEFINE_VISIT
+#define DECLARE_VISIT(BaseName)                                                \
+  virtual void Visit##BaseName##Node(BaseName##Node* node);
+
+  FOR_EACH_NODE(DECLARE_VISIT)
+#undef DECLARE_VISIT
 
   FlowGraphBuilder* owner() const { return owner_; }
   intptr_t temp_index() const { return temp_index_; }